Presenting the award to Twilight's Robert Pattinson, Timberlake couldn't resist making one more joke after Kunis uttered the famous "and the winner is…" phrase. "I think we just found out," Timberlake said with a chuckle. "What a shameless reference to my penis!"

Despite their on-stage antics, Kunis has said she had a bit of trouble disrobing in front of Timberlake for the flick, out July 22.

"It's very awkward. I mean, the truth is, we got to have very uncomfortable scenes for two weeks," she told Ellen DeGeneres in December. "There's like 150 crew men watching and you see each other's bits and pieces. The whole thing is just wrong!"

Tell Us: Were Justin and Mila's MTV antics funny or did they go too far?